view util/bitcompat.lua @ 13946:f5e8ab42c708

mod_http_file_share: Check that files are still there with correct size Failed uploads can leave behind unused slots. Files shouldn't change size after they have been successfully uploaded, but might as well double check it.
author Kim Alvefur <zash@zash.se>
date Sat, 04 Dec 2021 18:56:51 +0100
parents de902cc0d46c
children
line wrap: on
line source

-- Compatibility layer for bitwise operations

-- First try the bit32 lib
-- Lua 5.3 has it with compat enabled
-- Lua 5.2 has it by default
if rawget(_G, "bit32") then
	return _G.bit32;
end

do
	-- Lua 5.3 and 5.4 would be able to use native infix operators
	local ok, bitop = pcall(require, "prosody.util.bit53")
	if ok then
		return bitop;
	end
end

error "No bit module found. See https://prosody.im/doc/depends#bitop";